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ERTCO, Kessler

3 Hydrometers, Laboratory Quality, USA, New/Other: Vintage Estate Purchase,

3 Hydrometers, Laboratory Quality, USA, New/Other: Vintage Estate Purchase,

Regular price $60.00 USD
Regular price Sale price $60.00 USD
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  3   Hydrometers, Laboratory Quality, USA, New/Other:  Vintage Estate Purchase, Mint Condition  

KESSLER, USA 330mm NIST and ASTM 116H Certified Hydrometer for Specific Gravity of Heavy Liquids  

ERTCO, USA 330mm NIST and ASTM 111H Certified Hydrometer for Specific Gravity ASTM for Petroleum Products

ERTCO, USA 330mm NIST and ASTM 113H Hydrometer for Specific Gravity ASTM for Heavy Liquids      

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